阅读说明：本技术 一种新型高品位隧道型烘干炉 (Novel high-grade tunnel type drying furnace ) 是由 谢隆兴 于 2021-08-16 设计创作，主要内容包括：本发明公开了一种新型高品位隧道型烘干炉,包括隧道炉本体、传送带,所述隧道炉本体中设有隧道箱,所述传送带穿过隧道箱,在所述隧道箱内的传送带的上、下分别设置有碳纤维远红外加热管,位于所述隧道箱内的传送带下方设置有低速热风传送机构,所述隧道箱内部最顶端和最底端分别设置负离子电极发射端,本发明与现有技术相比的优点在于：本发明烘干后的产品(蔬果、药材、茶叶等)可以达到高品位的一致要求(外观、颜色、香味),产品的水分可以达到一致的要求(水分差异小,保存的时间长,不易出现串味、氧化等反应),而且产品的串味、异味、细菌污染可以去除、提升产品的保存期限。(The invention discloses a novel high-grade tunnel type drying furnace, which comprises a tunnel furnace body and a conveyor belt, wherein a tunnel box is arranged in the tunnel furnace body, the conveyor belt penetrates through the tunnel box, carbon fiber far infrared heating pipes are respectively arranged above and below the conveyor belt in the tunnel box, a low-speed hot air conveying mechanism is arranged below the conveyor belt in the tunnel box, and negative ion electrode emitting ends are respectively arranged at the topmost end and the bottommost end in the tunnel box. The dried product (vegetables, fruits, medicinal materials, tea leaves and the like) can meet the high-grade consistent requirements (appearance, color and fragrance), the moisture of the product can meet the consistent requirements (the moisture difference is small, the storage time is long, reactions such as tainting of odor, oxidation and the like are not easy to occur), and the tainting of odor, peculiar smell and bacterial pollution of the product can be removed and the storage life of the product can be prolonged.)

1. The utility model provides a novel high-grade tunnel type drying-furnace, includes tunnel furnace body (13), conveyer belt (11), its characterized in that: be equipped with tunnel case (14) in tunnel furnace body (13), tunnel case (14) are passed in conveyer belt (11), are located the upper and lower of conveyer belt (11) in tunnel case (14) is provided with carbon fiber far infrared heating pipe (7) respectively, is located conveyer belt (11) below in tunnel case (14) is provided with low-speed hot-blast transport mechanism (9), tunnel case (14) inside topmost and bottommost set up negative ion electrode transmitting terminal (8) respectively.

2. The new high grade tunnel type drying furnace according to claim 1, characterized in that: a separated exhaust hood (1) is arranged at a position 10-50 cm above the tunnel furnace body (13), and the middle of the separated exhaust hood (1) is a hollow part.

3. The new high grade tunnel type drying furnace according to claim 2, characterized in that: an exhaust fan (2) is arranged on the exhaust hood (1).

4. The new high grade tunnel type drying furnace according to claim 1, characterized in that: the top layer exhaust holes (3) are formed in the upper end of the tunnel furnace body (13), and a heat insulation layer is arranged at the top of the tunnel furnace body (13).

5. The new high grade tunnel type drying furnace according to claim 1, characterized in that: and a distribution box (4) is arranged on the outer side of the tunnel furnace body (13).

6. The new high grade tunnel type drying furnace according to claim 1, characterized in that: and a powder discharge port (5) and a collection box (6) are further arranged below the conveyor belt (11) in the tunnel box (14), and the collection box (6) is positioned below the powder discharge port (5).

7. The new high grade tunnel type drying furnace according to claim 1, characterized in that: the bottom of the tunnel box (14) is provided with a heating pipe (10).

8. The new high grade tunnel type drying furnace according to claim 1, characterized in that: and a support shaft (12) for supporting the conveyor belt (11) is also arranged in the tunnel box (14).

9. The new high grade tunnel type drying furnace according to claim 1, characterized in that: thermocouples are arranged at the upper part and the lower part inside the tunnel box (14).

10. The new high grade tunnel type drying furnace according to claim 1, characterized in that: the conveyor belt (11) is of a net structure.

Technical Field

The invention relates to the technical field of food processing equipment, in particular to a novel high-grade tunnel type drying furnace.

Background

Tunnel ovens (food processing) are tunnel-type mechanical devices that accomplish food baking by thermal conduction, convection, and radiation, the oven body is generally very long, the baking chamber is a long and narrow tunnel, a continuously running conveyor system is provided in the tunnel, and when baking food, the food moves relative to an electric heating element or a direct-fired burning rod through a conveying chain plate, a steel belt or a mesh belt.

The existing tunnel furnace only physically dries the baked objects, the atmosphere in the furnace is different, the drying effect is poor, the temperature at two sides is lower, the drying effect is insufficient, black blocks (oxidation blocks) appear in the color, and the appearance is influenced; in addition, the drying procedure only uses physical temperature for sterilization, which causes bacteria residue, and the problem of short shelf life of the baked product is easy to occur, thereby generating waste, increase of production cost and loss of raw material cost.

Disclosure of Invention

The invention aims to solve the technical problems and provides a novel high-grade tunnel type drying furnace which can remove bacteria, retain color, remove peculiar smell and improve fragrance.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a novel high-grade tunnel type drying furnace, includes tunnel furnace body, conveyer belt, be equipped with the tunnel case in the tunnel furnace body, the conveyer belt passes the tunnel case the upper and lower carbon fiber far infrared heating pipe that is provided with respectively of the conveyer belt of tunnel incasement is located the conveyer belt below of tunnel incasement is provided with low-speed hot-blast transport mechanism, tunnel incasement portion top and bottom set up negative ion electrode emission end respectively.

For improvement, a separated exhaust hood is arranged at a position 10-50 cm above the tunnel furnace body, and a hollow part is arranged in the middle of the separated exhaust hood.

As an improvement, an exhaust fan is arranged on the exhaust hood.

As an improvement, the upper end of the tunnel furnace body is provided with a top layer exhaust hole, and the top of the tunnel furnace body is provided with a heat preservation layer.

As an improvement, a distribution box is arranged on the outer side of the tunnel furnace body.

As an improvement, a powder leakage port and a collection box are further arranged below the conveyor belt in the tunnel box, and the collection box is located below the powder leakage port.

As an improvement, the bottom of the tunnel box is provided with a heating pipe.

As an improvement, a supporting shaft for supporting the conveying belt is further arranged in the tunnel box.

As an improvement, thermocouples are arranged at the upper part and the lower part inside the tunnel box.

As a refinement, the conveyor belt is of a net structure.

Compared with the prior art, the invention has the advantages that: the dried product (vegetables, fruits, medicinal materials, tea leaves and the like) can meet the high-grade consistent requirements (appearance, color and fragrance), the moisture of the product can meet the consistent requirements (the moisture difference is small, the storage time is long, reactions such as taint of odor, oxidation and the like are not easy to occur), the taint of odor, peculiar smell and bacterial pollution of the product can be removed, the storage life of the product can be prolonged, and in addition, the negative ions can achieve the air purification effect.

Drawings

FIG. 1 is a schematic side view of a new high grade tunnel type kiln of the present invention.

Fig. 2 is a sectional view of the novel high-grade tunnel type drying furnace of the present invention taken along the direction b-b in fig. 1.

Fig. 3 is a rear view schematically showing a novel high-grade tunnel type drying furnace according to the present invention.

Fig. 4 is a sectional view taken along d-d in fig. 3 of a novel high-grade tunnel type drying furnace according to the present invention.

As shown in the figure: 1. an exhaust hood; 2. an exhaust fan; 3. an exhaust hole; 4. a distribution box; 5. a powder discharge port; 6. a collection box; 7. a carbon fiber far infrared heating pipe; 8. an anion electrode emitting end; 9. a low-speed hot air delivery mechanism; 10. heating a tube; 11. A conveyor belt; 12. a support shaft; 13. a tunnel furnace body; 14. and (4) a tunnel box.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the accompanying drawings 1-4, a novel high-grade tunnel type drying furnace comprises a tunnel furnace body 13 and a conveyor belt 11, wherein a tunnel box 14 is arranged in the tunnel furnace body 13, the conveyor belt 11 penetrates through the tunnel box 14, carbon fiber far infrared heating pipes 7 are respectively arranged above and below the conveyor belt 11 in the tunnel box 14, a low-speed hot air conveying mechanism 9 is arranged below the conveyor belt 11 in the tunnel box 14, and negative ion electrode emitting ends 8 are respectively arranged at the topmost end and the bottommost end in the tunnel box 14.

A separated exhaust hood 1 is arranged at a position 10-50 cm above the tunnel furnace body 13, and the middle of the separated exhaust hood 1 is a hollow part.

The exhaust hood 1 is provided with an exhaust fan 2.

The top layer exhaust holes 3 are formed in the upper end of the tunnel furnace body 13, and a heat insulation layer is arranged at the top of the tunnel furnace body 13.

And a distribution box 4 is arranged on the outer side of the tunnel furnace body 13.

And a powder discharge port 5 and a collection box 6 are also arranged below the conveyor belt 11 in the tunnel box 14, and the collection box 6 is positioned below the powder discharge port 5.

The bottom of the tunnel box 14 is provided with a heating pipe 10.

A supporting shaft 12 for supporting the conveyor belt 11 is further arranged in the tunnel box 14.

Thermocouples are arranged at the upper part and the lower part inside the tunnel box 14.

The conveyor belt 11 is of a mesh structure.

When the invention is concretely implemented, short-wave carbon fiber far infrared heating pipes 7 which are symmetrical are arranged above and below a conveyor belt 11, 10K-100000K negative ions are adopted for sterilization and radiation heating is utilized, so that the upper part and the lower part of a baked object are uniformly heated, the influence of an air medium can be reduced to the maximum extent by the radiation heating, and the effect of uniform and rapid heating is achieved;

the air speed of the low-speed heating air supply structure 9 is 1-5 m/mim, when the low-speed heating air supply structure works, the heating pipe 10 starts to heat, the low-speed heating air supply structure 9 works, air passes through the heating pipe to supply air into the tunnel box 14 at a low speed, the heated air reaches the tunnel box 14 to fill the whole tunnel, so that the air in the tunnel moves to drive the baked gas and water vapor to be discharged from the exhaust holes 3 above, and the temperature curve in the tunnel box is not influenced in the discharging process, so that the product is uniformly heated, uniform in color, uniform in drying degree and uniform in grade quality;

the emission end 8 of the negative ion electrode utilizes the principle of negative ion ionization oxygen, adopts 10K-100000K negative ions for sterilization, ionizes oxygen in the tunnel box 14 into oxygen ions, can quickly purify air in the furnace, utilizes the principle of ionization to ionize and eliminate bacteria and air peculiar smell, and after the ionized oxygen ions move with hot air acceleration, the oxygen ions around the product are uniformly distributed, so that the peculiar smell of the product is removed, the fragrance is improved, and the color is uniform

Exhaust fan 2's setting can make vapor discharge fast to do not influence the atmosphere in the tunnel box 14, can locate external tuber pipe at exhaust fan 2, make the workshop environment more excellent, this vapor and other gas have been through ionization decomposition, thereby can not cause the pollution to the air, and have the purification effect.

The top layer vent holes 3 are arranged to allow water vapor and other gases to escape from the position.

In the baking process, the collecting box 6 can collect sundries, powder, particles, scraps and the like falling from the powder leakage port 5, the adverse effect caused by the leakage of the sundries to a fan and an ion electrode is avoided, and the collecting box 6 is installed in a drawer mode and is convenient to clean.

The low-speed hot-air delivery mechanism 9 is used to feed air into the tunnel box 14, and the heating pipe 10 can heat the air fed into the tunnel box 14.

The conveying belt 11 is of a net-shaped structure and is used for conveying products to be dried, and the net shape is used, so that the contact area between the products and the net belt is reduced to the maximum extent, and the grade difference caused by temperature difference is reduced.

Thermocouples are arranged up and down in the tunnel box 14 and used for monitoring and controlling temperature control in the tunnel, and the arrangement mode is that a group is arranged at intervals of 50 cm.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.